Lawrence Slade, CEO Energy UK said: “It’s fantastic news to see that nearly two million people have switched supplier since the beginning of the year. The new Energy Switch Guarantee will give customers the extra boost of confidence to engage in the market.

“Industry has been working hard to put customers at the heart of what we do and with the CMA set to give its final recommendations, the Guarantee is certainly a step in the right direction. The aim is to reach out to those customers who have never switched before so hopefully we’ll get millions more households engaging in the market.”